december 20-11, serving as a warehouse clerk. last month, she was promoted to her current rank. though she was not deployed, she earned a number of awards, including the national defense medal and, global war on terrorism service medal. friends and family say she charity work. they say she would often volunteer for her church. she is described as a mellow person. >> this is going to be difficult issue is always happy and fun and helping me with my homework. these are photos of lance corporal sara castromata posted on her facebook page, and others shared with kron she was 19 years old. born and raised in oakley. and, via instagram, kron castromata is a recent graduate from liberty high school here in brentwood. she joined the marine corps in december 20-11, serving to her current rank. awards. including the national defense medal. service medal.